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SubjectRe: Build regressions/improvements in v5.0-rc5
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On 2/4/19 9:46 AM, Randy Dunlap wrote:
> On 2/4/19 5:42 AM, Geert Uytterhoeven wrote:
>> Below is the list of build error/warning regressions/improvements in
>> v5.0-rc5[1] compared to v4.20[2].
>>
>> Summarized:
>> - build errors: +2/-4
>> - build warnings: +113/-14843
>>
>> JFYI, when comparing v5.0-rc5[1] to v5.0-rc4[3], the summaries are:
>> - build errors: +0/-0
>> - build warnings: +56/-59
>>
>> Note that there may be false regressions, as some logs are incomplete.
>> Still, they're build errors/warnings.
>>
>> Happy fixing! ;-)
>>
>> Thanks to the linux-next team for providing the build service.
>>
>> [1] http://kisskb.ellerman.id.au/kisskb/branch/linus/head/8834f5600cf3c8db365e18a3d5cac2c2780c81e5/ (238 out of 240 configs)
>> [2] http://kisskb.ellerman.id.au/kisskb/branch/linus/head/8fe28cb58bcb235034b64cbbb7550a8a43fd88be/ (all 240 configs)
>> [3] http://kisskb.ellerman.id.au/kisskb/branch/linus/head/f17b5f06cb92ef2250513a1e154c47b78df07d40/ (238 out of 240 configs)
>>
>>
>>
>> *** WARNINGS ***
>>
>> 113 warning regressions:
>
>> + warning: unmet direct dependencies detected for PPC4xx_PCI_EXPRESS: => N/A
>
> Hi Geert,
>
> I am trying to find the above warning (needle) in the haystack.
> Can you please direct me to which config/build it is in?
>
> Is there a good way for me to find it?
>
> thanks.
>

Working backwards, it probably comes from this:

config CURRITUCK
bool "IBM Currituck (476fpe) Support"
depends on PPC_47x
select SWIOTLB
select 476FPE
select PPC4xx_PCI_EXPRESS

This is the only similar Kconfig segment that does not select FORCE_PCI
but PPC4xx_PCI_EXPRESS depends on PCI but
# CONFIG_PCI is not set

This could be related to a recent series of patches that allows ACPI to
be built without having PCI enabled.

Michael?

--
~Randy

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